The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 22, 2018

Filed:

Oct. 21, 2015
Applicant:

Thales, Courbevoie, FR;

Inventors:

Stéphane Corazza, Valence, FR;

Stéphane Rollet, Valence, FR;

Laurent Papin, Valence, FR;

Audrey Guilloton, Valence, FR;

Bruno Montagne, Valence, FR;

Assignee:

THALES, Courbevoie, FR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01S 19/21 (2010.01); G01S 19/20 (2010.01); G01S 19/41 (2010.01);
U.S. Cl.
CPC ...
G01S 19/215 (2013.01); G01S 19/20 (2013.01); G01S 19/41 (2013.01);
Abstract

The invention relates to a disruption detection method and device for a positioning measurement correction message of a satellite geolocation device, able to receive a composite radio signal including a plurality of signals each emitted by a satellite in view of the geolocation device, and a positioning measurement differential correction message (MC) emitted by a satellite geolocation precision augmentation system. The device () according to the invention includes modules () computing, for each of the satellites in view, at least one differential correction coherence metric depending on a positioning measurement differential correction (C) extracted from the received differential correction message (MC). The device () also includes a module () detecting a disruption of the correction message when the number of satellites for which the differential correction coherence metric is above a predetermined threshold exceeds a predetermined number of satellites (N), strictly greater than one.


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